| acarpellous | (adjective) having no carpels | Synonyms: acarpelous |
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| alloantibody | (noun) an antibody that occurs naturally against foreign tissues from a person of the same species | Synonyms: isoantibody |
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| allocable | (adjective) capable of being distributed | Synonyms: allocatable, apportionable |
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| allocatable | (adjective) capable of being distributed | Synonyms: allocable, apportionable |
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| allocate | (verb) distribute according to a plan or set apart for a special purpose | Synonyms: apportion |
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| allocation | (noun) the act of distributing by allotting or apportioning; distribution according to a plan | Synonyms: allotment, apportioning, apportionment, assignation, parceling, parcelling |
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| (noun) (computer science) the assignment of particular areas of a magnetic disk to particular data or instructions | Synonyms: storage allocation |
| (noun) a share set aside for a specific purpose | Synonyms: allotment |
| allocator | (noun) a person with authority to allot or deal out or apportion | Synonyms: distributor |
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| allochronic | (adjective) (of taxa) occurring in different geologic times | - |
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| allochthonous | (adjective) of rocks, deposits, etc.; found in a place other than where they and their constituents were formed | - |
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| allocution | (noun) (rhetoric) a formal or authoritative address that advises or exhorts | - |
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| allogamous | (adjective) relating to cross-fertilization in plants | - |
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| allogamy | (noun) cross-fertilization in plants | - |
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| allogeneic | (adjective) denoting or relating to cells or tissues from individuals belonging to the same species but genetically dissimilar (and hence immunologically incompatible) | - |
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| allograft | (noun) tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft | Synonyms: homograft |
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| allograph | (noun) a variant form of a grapheme, as `m' or `M' or a handwritten version of that grapheme | - |
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| (noun) a signature written by one person for another | - |
| allographic | (adjective) of or relating to an allograph | - |
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| allomerism | (noun) (chemistry) variability in chemical composition without variation in crystalline form | - |
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| allomerous | (adjective) pertaining to allomerism | - |
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| allometric | (adjective) relating to or marked by allometry | - |
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| allometry | (noun) the study of the relative growth of a part of an organism in relation to the growth of the whole | - |
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| allomorph | (noun) a variant phonological representation of a morpheme | - |
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| (noun) any of several different crystalline forms of the same chemical compound | - |
| allomorphic | (adjective) pertaining to allomorphs | - |
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| allopathic | (adjective) of or relating to the practice of allopathy | - |
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| allopathy | (noun) the usual method of treating disease with remedies that produce effects differing from those produced by the disease itself | - |
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| allopatric | (adjective) (of biological species or speciation) occurring in areas isolated geographically from one another | - |
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| allopatry | (noun) the occurrence of related organisms in separate geographical areas with no overlap | - |
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| allophone | (noun) (linguistics) any of various acoustically different forms of the same phoneme | - |
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| allophonic | (adjective) pertaining to allophones | - |
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| allopurinol | (noun) a drug (trade name Zyloprim) used to treat gout and other conditions in which there is an excessive buildup of uric acid | Synonyms: Zyloprim |
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| allosaur | (noun) late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus | Synonyms: allosaurus |
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| allosaurus | (noun) late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus | Synonyms: allosaur |
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| allot | (verb) allow to have | Synonyms: accord, grant |
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| (verb) give out | Synonyms: assign, portion |
| (verb) administer or bestow, as in small portions | Synonyms: administer, deal, deal out, dish out, dispense, distribute, dole out, lot, mete out, parcel out, shell out |
| allotment | (noun) the act of distributing by allotting or apportioning; distribution according to a plan | Synonyms: allocation, apportioning, apportionment, assignation, parceling, parcelling |
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| (noun) a share set aside for a specific purpose | Synonyms: allocation |
| allotrope | (noun) a structurally different form of an element | - |
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| allotropic | (adjective) of or related to or exhibiting allotropism | Synonyms: allotropical |
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| allotropical | (adjective) of or related to or exhibiting allotropism | Synonyms: allotropic |
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| allotropism | (noun) the phenomenon of an element existing in two or more physical forms | Synonyms: allotropy |
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| allotropy | (noun) the phenomenon of an element existing in two or more physical forms | Synonyms: allotropism |
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| allotted | (adjective) given as a task | - |
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| allover | (adjective) covering the entire surface | - |
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| allow | (verb) allow or plan for a certain possibility; concede the truth or validity of something | Synonyms: take into account |
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| (verb) give or assign a resource to a particular person or cause | Synonyms: appropriate, earmark, reserve, set aside |
| (verb) consent to, give permission; permit | Synonyms: countenance, let, permit |
| (verb) allow the presence of or allow (an activity) without opposing or prohibiting | Synonyms: permit, tolerate |
| (verb) let have | Synonyms: grant |
| (verb) grant as a discount or in exchange | - |
| (verb) make it possible through a specific action or lack of action for something to happen | Synonyms: let, permit |
| (verb) allow the other (baseball) team to score | Synonyms: give up |
| (verb) make a possibility or provide opportunity for; permit to be attainable or cause to remain | Synonyms: allow for, leave, provide |
| (verb) afford possibility | Synonyms: admit |
| allowable | (adjective) that may be permitted especially as according to rule | Synonyms: permissible |
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| (adjective) deserving to be allowed or considered | - |
| (adjective) deductible according to the tax laws | - |
| allowably | (adverb) in a permissible manner | Synonyms: permissibly |
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| allowance | (noun) the act of allowing | - |
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| (noun) a permissible difference; allowing some freedom to move within limits | Synonyms: leeway, margin, tolerance |
| (noun) an amount allowed or granted (as during a given period) | - |
| (noun) an amount added or deducted on the basis of qualifying circumstances | Synonyms: adjustment |
| (noun) a sum granted as reimbursement for expenses | - |
| (noun) a reserve fund created by a charge against profits in order to provide for changes in the value of a company's assets | Synonyms: allowance account, valuation account, valuation reserve |
| (verb) put on a fixed allowance, as of food | - |
| alloy | (noun) the state of impairing the quality or reducing the value of something | Synonyms: admixture |
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| (noun) a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten | Synonyms: metal |
| (verb) lower in value by increasing the base-metal content | Synonyms: debase |
| (verb) make an alloy of | - |
| alloyed | (adjective) (used of metals) blended to obtain a desired property | - |
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| (adjective) (used of metals) debased by mixture with an inferior element | - |
| aphyllous | (adjective) devoid of leaves | - |
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| armadillo | (noun) burrowing chiefly nocturnal mammal with body covered with strong horny plates | - |
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| aspergillosis | (noun) an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs | - |
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| (noun) disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs | - |
| (noun) severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys | Synonyms: brooder pneumonia |
| ballock | (noun) one of the two male reproductive glands that produce spermatozoa and secrete androgens | Synonyms: ball, bollock, egg, nut, orchis, testicle, testis |
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| balloon | (noun) large tough nonrigid bag filled with gas or heated air | - |
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| (noun) small thin inflatable rubber bag with narrow neck | - |
| (verb) become inflated | Synonyms: billow, inflate |
| (verb) ride in a hot-air balloon | - |
| balloonfish | (noun) similar to but smaller than porcupinefish | Synonyms: Diodon holocanthus |
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| ballooning | (noun) flying in a balloon | - |
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| balloonist | (noun) someone who flies a balloon | - |
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| ballot | (noun) a choice that is made by counting the number of people in favor of each alternative | Synonyms: balloting, vote, voting |
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| (noun) a document listing the alternatives that is used in voting | - |
| (verb) vote by ballot | - |
| balloting | (noun) a choice that is made by counting the number of people in favor of each alternative | Synonyms: ballot, vote, voting |
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| ballottement | (noun) a palpatory technique for feeling a floating object in the body (especially for determining the position of a fetus by feeling the rebound of the fetus after a quick digital tap on the wall of the uterus) | - |
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| bargello | (noun) needlepoint embroidery stitch that produces zigzag lines | Synonyms: flame stitch |
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| bedfellow | (noun) a person with whom you share a bed | Synonyms: bedmate |
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| (noun) a temporary associate | - |
| bellow | (noun) a very loud utterance (like the sound of an animal) | Synonyms: bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl |
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| (verb) shout loudly and without restraint | Synonyms: bawl |
| (verb) make a loud noise, as of animal | Synonyms: roar |
| bellower | (noun) someone who communicates vocally in a very loud voice | Synonyms: bawler, roarer, screamer, screecher, shouter, yeller |
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| bellowing | (noun) a very loud utterance (like the sound of an animal) | Synonyms: bellow, holla, holler, hollering, hollo, holloa, roar, roaring, yowl |
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| bellows | (noun) (used in the plural) a mechanical device that blows a strong current of air; used to make a fire burn more fiercely or to sound a musical instrument | - |
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| billow | (noun) a large sea wave | Synonyms: surge |
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| (verb) become inflated | Synonyms: balloon, inflate |
| (verb) rise and move, as in waves or billows | Synonyms: heave, surge |
| (verb) rise up as if in waves | Synonyms: wallow |
| (verb) move with great difficulty | - |
| billowing | (adjective) characterized by great swelling waves or surges | Synonyms: billowy, surging |
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| billowy | (adjective) characterized by great swelling waves or surges | Synonyms: billowing, surging |
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| blanquillo | (noun) important marine food fishes | Synonyms: tilefish |
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| bollock | (noun) a pulley-block at the head of a topmast | Synonyms: bullock block |
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| (noun) one of the two male reproductive glands that produce spermatozoa and secrete androgens | Synonyms: ball, ballock, egg, nut, orchis, testicle, testis |
| bollocks | (verb) make a mess of, destroy or ruin | Synonyms: ball up, blow, bobble, bodge, bollix, bollix up, bollocks up, botch, botch up, bumble, bungle, flub, fluff, foul up, fuck up, fumble, louse up, mess up, mishandle, muck up, muff, screw up, spoil |
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| bordello | (noun) a building where prostitutes are available | Synonyms: bagnio, bawdyhouse, brothel, cathouse, house of ill repute, house of prostitution, sporting house, whorehouse |
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| bouillon | (noun) a clear seasoned broth | - |
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| brucellosis | (noun) an infectious disease of domestic animals often resulting in spontaneous abortion; transmittable to human beings | Synonyms: Bang's disease, contagious abortion |
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| (noun) infectious bacterial disease of human beings transmitted by contact with infected animals or infected meat or milk products; characterized by fever and headache | Synonyms: Gibraltar fever, Malta fever, Mediterranean fever, Rock fever, undulant fever |
| bullock | (noun) castrated bull | Synonyms: steer |
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| (noun) young bull | - |
| bullocky | (adjective) resembling a bullock in strength and power | - |
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| caimitillo | (noun) tropical American timber tree with dark hard heavy wood and small plumlike purple fruit | Synonyms: Chrysophyllum oliviforme, damson plum, satin leaf, satinleaf |
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| callosectomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosotomy |
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| callosity | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callousness, hardness, insensibility, unfeelingness |
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| (noun) an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) | Synonyms: callus |
| callosotomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosectomy |
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| callous | (adjective) emotionally hardened | Synonyms: indurate, pachydermatous |
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| (adjective) having calluses; having skin made tough and thick through wear | Synonyms: calloused, thickened |
| (verb) make insensitive or callous; deaden feelings or morals | Synonyms: cauterise, cauterize |
| calloused | (adjective) having calluses; having skin made tough and thick through wear | Synonyms: callous, thickened |
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| callously | (adverb) in a callous way | Synonyms: unfeelingly |
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| callousness | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callosity, hardness, insensibility, unfeelingness |
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| callow | (adjective) young and inexperienced | Synonyms: fledgling, unfledged |
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| callowness | (noun) lacking and evidencing lack of experience of life | Synonyms: jejuneness, juvenility |
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| cancellous | (adjective) having an open or latticed or porous structure | Synonyms: cancellate, cancellated |
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| cannelloni | (noun) tubular pasta filled with meat or cheese | - |
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| carillon | (noun) playing a set of bells that are (usually) hung in a tower | Synonyms: bell ringing, carillon playing |
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| (noun) set of bells hung in a bell tower | - |
| carillonneur | (noun) a musician who plays a carillon | - |
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| cello | (noun) a large stringed instrument; seated player holds it upright while playing | Synonyms: violoncello |
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| cellophane | (noun) a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc. | - |
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| chancellor | (noun) the person who is head of government (in several countries) | Synonyms: premier, prime minister |
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| (noun) the honorary or titular head of a university | - |
| chancellorship | (noun) the office of chancellor | - |
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| chinchillon | (noun) gregarious burrowing rodent larger than the chinchillas | Synonyms: Lagostomus maximus, viscacha |
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| chlorophyllose | (adjective) relating to or being or containing chlorophyll | Synonyms: chlorophyllous |
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| chlorophyllous | (adjective) relating to or being or containing chlorophyll | Synonyms: chlorophyllose |
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| cigarillo | (noun) small cigar or cigarette wrapped in tobacco instead of paper | - |
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| codswallop | (noun) nonsensical talk or writing | Synonyms: applesauce, folderol, rubbish, trash, tripe, trumpery, wish-wash |
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| collocate | (verb) group or chunk together in a certain order or place side by side | Synonyms: chunk, lump |
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| (verb) have a strong tendency to occur side by side | - |
| collocation | (noun) the act of positioning close together (or side by side) | Synonyms: apposition, juxtaposition |
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| (noun) a grouping of words in a sentence | - |
| collodion | (noun) a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films | - |
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